Production of electric steel laminations as our next step towards E-Mobility

The launch of a modern high-speed press for the production of rotor and stator laminations is a further step in our efforts to supply high-quality components for the electrified powertrain from one single source.

The transition to CO2-neutral drive concepts challenges Fischer & Kaufmann, as a supplier to the automotive industry, to intensively deal with future business opportunities and to have a particular innovative spirit.

For many years, FIUKA has been using mainly presses with servo technology paired with state-of-the-art 3-axis transfer systems. In addition to numerous conventional transmission applications, deep-drawn housings for battery electric vehicle motors are also manufactured with these presses.

In addition, a production line in which various processes such as flow-forming, laser cutting and laser hardening are interlinked was recently put into operation. The rotor carriers produced on this line are used in hybrid drive vehicles and connect the electric motor to the transmission.

The next step towards becoming a wide-based supplier of components for electric drives is for FIUKA to produce rotor and stator laminations. Since January 2021, a high-speed press made by Nidec-Minster has been in operation at our site in Finnentrop. With a table length of 3700 mm and a press force of 310 tons, it is also possible to run 2-row dies with large stator or rotor outside diameters. Material thicknesses between 0.1 and 1.0 mm can be processed. The material thickness is continuously monitored by an integrated strip thickness gauge. A push & pull feed device is also equipped. As possible connection methods between the single sheets, bonding, gluing or laser welding are conceivable in addition to the classic punch-bundling process.

Our vision is not just to be a supplier of many different solutions for the electrified powertrain, but to think one step ahead for our customers. We aim to develop material-saving manufacturing processes for lamination stacks and, for example, supply rotor shafts or lamination carriers manufactured in-house with lamination stacks already assembled.

 

Production of electric steel laminations as our next step towards E-Mobility